122 



The Florists' Review 



Decembeb 14, 1916. 



" r . HONEY IN YOUR POCKET 



LET US SOLVE YOUR GRATE PROBLEMS 



If You 

 Will 



OWING to the scientific 

 construction of the 

 HAN SELL ROCKER 

 GRATE, we can positive- 

 ly guarantee a consider- 

 able SAVING IN FUEL, 

 maximum boiler efficiency 

 at minimum cost and prac- 

 tically eliminate repairs. 



Cross-Bar, sbowine REMOVABLE FINGERS, and 



correct air area, resulting in perfect combustion, 



more heat, less fuel, impossible to burn out, 



a pleasure to operate. 



TO GREENHOUSE 

 OWNERS: 



We have a special offer 

 to make you, whereby you 

 can convince yourself as to 

 the merits of our grate, 

 without cost. The result 

 of our installations in 

 greenhouses should inter- 

 est you. Write for parti- 

 culars TODAY. 



HANSELL GRATE COMPANY, 



654 Railway Exchange 

 Building 



CHICAGO 



Mention The ReTlew when yon write. 



n. H. UNEAWEAVn & CO.. lac 



"™.-"" COAL 



■miMINOUS \^ \^ #■% ■■ 



West End Trust Boildinc. PHILADELPHIA 



17 Bkttenr Place. NEW TORE 

 Nnttins Boildins. LEBANON. PA. 

 Mention Hia Berlew when yon write. 



Creenhonse Heating. 



Subscribers are invited to write the 

 Editor of this Department with regard to 

 any details of greenhouse heating that 

 are not understood. But please do not 

 ask The Eeview to make a choice of ap- 

 paratus for you. The greenhouse heating 

 equipment advertised in this paper is, we 

 believe, the best for the trade to buy, 

 and each article the best in the special 

 field of its adaptation. 



ANOTHER MAIN NEEDED. 



I am enclosing a sketch of my range, 

 consisting of two greenhouses for grow- 

 ing purposes and a small propagating 

 house. I have recently had a hot water 

 heating system installed. The large 

 greenhouse has solid beds, as I intend 

 to grow sweet peas in it. It is piped 

 as follows: Around one end and one 

 side is a coil of seven 2-inch returns. 

 On the other side is a shorter coil of 

 six 2-inch returns. All of these are 

 supplied by one 3-inch flow. I have 

 contended from the beginning that the 

 amount of flow is insufiicient. On firing 

 up, I found that the bottom pipes in 

 the coils were cold and this seemed to 

 prove my contention to be correct. The 

 piping is supposed to be capable of 

 maintaining a temperature of 60 de- 

 grees in zero weather, but I am sure 

 it will not do so. 



The other greenhouse has five 2-inch 

 returns on one side and four 2-inch re- 

 turns on the other. These also are sup- 

 plied by one 3-inch flow. This house 

 requires a temperature of 50 degrees in 

 zero weather. The little propagating 

 house has a coil of ten 1-inch pipes all 

 around, under the benches; these are 

 fed with one 1%-inch flow and the de- 

 sired temperature is 70 degrees. 



^ Gorman's 



Special Greenhouse 



Steam-Air Vent 



Stips"Air-iiripe*'TrraUes 



Will Dositively take air 

 out of heating plants and 

 will keep your coils hot. 

 No waste or blowing of 

 steam. 



Valves in use for twelve 

 years now sfood as when 

 put in. 



J. F. GORMAN 



250 W. 128th St.. NEW TMK 



Dixon's Grapblta 

 Pipe Joint Compound 



Saves time, money, temper 

 and toolii. Makes tighter 

 joints. Never sets Uke a 

 cement. Keepe Joints well 

 lubricated. Send tor book- 

 let No. 64-D. 



Jiseph DixoR Crucible Cmmiv 

 Jersey City, N. J. 



Mention The Review when yon write. 



I have a Capitol sectional boiler with 

 a guaranteed radiation of 46.50 feet. 

 The top of the boiler is below the level 

 of the returns. A 30-gallon expansion 

 tank is placed about fifteen feet above 

 the top of the boiler. A Honeywell gen- 

 erator also is used. You will notice 

 that all the returns are around the sides 

 and ends of the houses — none through 

 the middle. This is desirable, especially 

 in the large greenhouse, where sweet 

 peas are to be grown. 



C. G. J.— N. Y. 



The amount of radiation that can be 

 carried by a 3-inch main will depend 

 on the number and size of the returns, 

 on the height of the flow and especially 

 on the height of the returns above the 

 water level of the boiler. In this case 

 the height of the returns above the 

 boiler is not stated, but it probably is 

 not great. Under these conditions, in 

 a house less than 100 feet in length, I 

 would not care to carry more than 800 

 square feet of radiating surface or to 

 connect with more than eight 2-inch re- 

 turns. 



WILKS SELF- FEEDING 

 HOT WATER BOILER 



For Economy, Durability, Dependability 



Install a WILKS 

 and forget your 

 troubles. 



No night fire- 

 man required— 

 as the magazine 

 or coal chamber 

 holds sufBcient 

 ij fuel to keep fire 

 '10 to 12 hours 

 without atten- 

 tion. Best made 

 for a small 

 greenhouse. 



Send forCatalogue 

 and Prices 



Telephone 

 Yards 866 



S. WILKS 

 MFG. CO. 



3523 Shields Ave., 

 CHICAGO, ILL. 



Mention The ReTJew whcr. yon write. 



The wide house contains thirteen -- 

 inch returns and, as nearly as I can 

 estimate, there is about 1,100 squaio 

 feet of radiating surface, which is nea - 

 ly fifty per cent more than I consid< r 

 desirable to be carried by a 3-inch main 

 in a house of the length stated, eighty- 

 nine and one-half feet. This house has 

 a width of twenty-eight and one-half 

 feet and has four feet of glass and fo'.;r 

 feet of concrete in each wall. Tlic 

 sketch shows a door in the side woU 

 near the corner farthest from the boiler, 

 and I infer that a coil starts on each 

 side of the door and runs on the walls 

 back to the boiler. This will make or;e 

 coil about eighty feet long, while tr.e 

 other is about 115 feet in length. I 

 would run a 3-inch flow pipe for tlic 

 longer coil, but a 2^-inch flow will a'l- 

 swer for the other. Both flows can 'C 



